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## Homework Statement

If A=<1+i> in Z

*, show that Z*

*/A is a finite field and find its order*

Not sure where to start...

Z## Homework Equations

## The Attempt at a Solution

Not sure where to start...

Z

*/A = {m+ni + A, m, n integers} ? is that right?*

And I don't know what else to do.And I don't know what else to do.